What role does the molecular interaction play in a solution of alcohol and water?

What role does temperature play in preservation of food? Explain.

What role does the resistance of inductor play in LC-circuit?

What is role of transpiration pull in translocation of solutes?

What role does cell membrane play in a cell?

What role does root pressure play in water movement in plants?

What is gene interaction?

What role does pituitary gonadotrophins play during follicular and ovulatory phases of menstrual cycle? Explain the shifts in steroidal secretions.